Plans call for AN507 machine screws to hold rear window to fuse. But, plans specify 45 degree countersinks. Huh? AN507's require 100 degree countersinks. What am I missing?
Plans call for AN507 machine screws to hold rear window to fuse. But, plans specify 45 degree countersinks. Huh? AN507's require 100 degree countersinks. What am I missing?